Radio receiver



FIG. 1 is a front and right side perspective view of a radio receiver showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view; and

FIG. 7 is a right side elevational view. 

The ornamental design for a radio receiver, as shown. 